Disassembly - Sharp IM-MT899H Service Manual

IM-MT899H/IM-MT899W
Cares before disassembling
When assembling the machine after disassembling or
repair, observe the following requirements so as to ensure
safety and performance.
1. Remove the batteries from the machine, and take out the
mini-disc.
2. When assembling after repair, be sure to position the
wires in the same location.
Use the specified screws to fix the cabinet and the
mechanism unit. The use of the screws with length other
than specified may cause contact with the mechanism
unit resulting in malfunction.
3. When repairing, pay close attention so not to damage the
IC from static electricity.
REMOVAL
STEP
1 Bottom Cabinet 1. Screw ..................... (A1) x6
2 Top Cabinet 1. Open the Top cabinet.
2. Screw ..................... (B1) x4
3. Flexible PWB .......... (B2) x1
3 Main PWB 1. Open the rechargeable
battery compartment of the
direction indicated by arrows.
2. Screw .................... (C1) x2
3. Flexible PWB ......... (C2) x2
4 MD Mechanism 1. Remove the center cabinet
in the direction indicated by
the arrow.
2. Screw .................... (D1) x1
5 LCD/KEY PWB 1. Screw ...................... (E1) x2
2. Hook ....................... (E2) x2
(E1) x 2
ø1.4 x 2.5mm
Top Cabinet
Figure 10-4

DISASSEMBLY

PROCEDURE FIGURE
10-1
10-1
10-2
10-2
10-3
10-4
LCD/KEY PWB
(E2) x 2
(B1) x 2
ø1.4 x 1.5mm
(A1) x 1
ø1.4 x 1.5mm
(A1) x 2
EJECT Knob
ø1.4 x 6mm
(A1) x 1
ø1.4 x 1.5mm
(C2) x 1(*)
Battery Cover
Pull
2
1
Main Chassis
Center Cabinet
Caution:
Carefully handle the main PWB and flexible PWB. After removing the
flexible PWB (*) for the optical pickup from the connector, do not touch
directly the front end of flexible PWB with your hand so as to prevent
damage of optical pickup by static electricity.
Center Cabinet
Main Chassis
– 10 –
Top Cabinet
(A1) x 1
ø1.4 x 1.5mm
(A1) x 1
ø1.4 x 1.5mm
E N
O P
(B1) x 2
ø1.4 x 1.5mm
Figure 10-1
(B2) x 1
(C2) x 1
(C1) x 2
Pull
ø1.4 x 2.5mm
Main PWB
Figure 10-2
MD Mechanism
(D1) x 1
ø1.4 x 1.5mm
Figure 10-3
Bottom
Cabinet